How do I install Booli?

Booli is a local plugin. Install it using npm package: @chrischall/booli-mcp and add the generated configuration snippet to your AI app's MCP config file. Then restart your AI app.

Is Booli safe to use?

Yes. Booli passed MCP Marketplace's automated security scan with a score of 10/10 (low risk). Every server on MCP Marketplace is security-scanned before it's listed; see the full security report on this page for the findings and permissions.

What credentials does Booli need?

Booli requires the following credentials or environment variables: BOOLI_TRANSPORT, BOOLI_WS_PORT, FETCHPROXY_WS_HOST, FETCHPROXY_IDENTITY_DIR. You can find setup instructions on the server detail page.

What AI apps work with Booli?

Booli uses the Model Context Protocol (MCP) and works with any MCP-compatible AI app, including Claude, ChatGPT / Codex, Gemini, Copilot, Cursor, and more.

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Booli MCP Server

by Chris Hall

Developer ToolsLow Risk10.0Local

Free

Booli.se real estate for Claude: search listings, sold prices, areas & market stats

About

Booli.se real estate for Claude: search listings, sold prices, areas & market stats

Security Report

10.0

Low Risk10.0Low Risk

Valid MCP server (2 strong, 1 medium validity signals). No known CVEs in dependencies. Package registry verified. Imported from the Official MCP Registry. Trust signals: trusted author (72/73 approved); 5 highly-trusted packages.

7 files analyzed · 1 issue found

Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.

Permissions Required

This plugin requests these system permissions. Most are normal for its category.

HTTP Network Access

Connects to external APIs or services over the internet.

What You'll Need

Set these up before or after installing:

Selects the path: auto (default — direct fetch first, browser-bridge fallback when walled), fetchproxy (always the bridge), or direct.Optional

Environment variable: BOOLI_TRANSPORT

Override the fetchproxy WebSocket port (the fleet shares 37149).Optional

Environment variable: BOOLI_WS_PORT

Bridge bind interface, a literal IP only (default 127.0.0.1). Keep on loopback; exists for a hosted child in its own network namespace.Optional

Environment variable: FETCHPROXY_WS_HOST

Absolute path for the long-term bridge identity keypair (default ~/.fetchproxy/identity/). Exists for a host that runs a separate child per caller.Optional

Environment variable: FETCHPROXY_IDENTITY_DIR

How to Install

Add this to your MCP configuration file:

{
  "mcpServers": {
    "io-github-chrischall-booli-mcp": {
      "args": [
        "-y",
        "@chrischall/booli-mcp"
      ],
      "command": "npx"
    }
  }
}

Documentation

View on GitHub

From the project's GitHub README.

booli-mcp

An MCP server for Booli, the Swedish property portal — search active for-sale listings, sold prices (slutpriser), resolve areas, and compute market statistics, all from Claude.

Developed and maintained by AI (Claude Code). Use at your own discretion and within booli.se's terms of use.

How it works

Booli fronts www.booli.se — including its GraphQL API — with a Cloudflare bot wall that blocks server-side clients. booli-mcp therefore reads Booli's consumer GraphQL API by routing each query through your own signed-in www.booli.se browser tab via the fetchproxy bridge (the ContextMint Bridge browser extension), reusing your Cloudflare-cleared session. No Booli login is required — just a normal page view. All tools are read-only.

BOOLI_TRANSPORT selects the path: auto (default — direct fetch first, browser-bridge fallback when walled), fetchproxy (always the bridge), or direct. The fetchproxy fleet shares WS port 37149 (BOOLI_WS_PORT).

Setup

Install ContextMint Bridge from its releases page — Chrome: download the chrome zip, unzip it, and load it unpacked at chrome://extensions (Developer mode). Safari isn't available yet (it will ship inside the ContextMint app, which has no public download), so use Chrome for now. Keep a www.booli.se tab open.

ContextMint Bridge is the fetchproxy browser extension under its new name, from the same maintainer — fetchproxy's own README points to it. Its source is public at nullnet-app/contextmint-bridge: build it yourself, or check a release zip against the .sha256 file published beside it (shasum -a 256 -c contextmint-bridge-chrome-<version>.zip.sha256).
On the first request, approve the one-time pairing prompt in ContextMint Bridge.
Run booli_healthcheck to confirm the path is working. Its transport field says which leg served the probe (direct or fetchproxy) and, once the bridge exists, bridge.session_state says whether the extension is linked, pair_pending (approve the pair code it names), or extension_disconnected.

Install

// mcp config
{
  "mcpServers": {
    "booli": {
      "command": "npx",
      "args": ["-y", "@chrischall/booli-mcp"]
    }
  }
}

Tools

Tool	What it does
`booli_search_areas`	Resolve a place name to Booli area ids
`booli_search_listings`	Search active for-sale listings by area + filters
`booli_get_listing`	Full detail for one property (active or sold) by residence id
`booli_search_sold`	Search sold listings (slutpriser) with final prices
`booli_market_stats`	Median/average sold-price statistics for an area
`booli_healthcheck`	Probe the data path and report `transport` (direct / fetchproxy, the `BOOLI_TRANSPORT` mode) and, once the bridge is up, `bridge` (role, port, extension link `session_state`, pending pair code) with a next-step hint

Searches scope by area_id (from booli_search_areas) or a free-text location. Money is SEK, areas m². See docs/BOOLI-API.md for the underlying GraphQL API.

Development

npm install
npm test          # vitest, no network
npm run build     # tsc + esbuild bundle

License

MIT

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